11163203135044 has 9 divisors (see below), whose sum is σ = 19535617180317. Its totient is φ = 5581598226384.

The previous prime is 11163203135041. The next prime is 11163203135053. The reversal of 11163203135044 is 44053130236111.

The square root of 11163203135044 is 3341138.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9994209695044 + 1168993440000 = 3161362^2 + 1081200^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11163203135041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5846992 + ... + 7517560.

Almost surely, 2^{11163203135044} is an apocalyptic number.

11163203135044 is the 3341138-th square number.

It is an amenable number.

11163203135044 is a deficient number, since it is larger than the sum of its proper divisors (8372414045273).

11163203135044 is an frugal number, since it uses more digits than its factorization.

11163203135044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341142 (or 1670571 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 11163203135044 in words is "eleven trillion, one hundred sixty-three billion, two hundred three million, one hundred thirty-five thousand, forty-four".